CN201336516Y - Device for manually installing pole top switch - Google Patents

Abstract

The utility model provides a lifting device for manually installing a switch on a pole, which is characterized in that it comprises: a bracket installed on the top of the pole column, and the two ends of the bracket are respectively provided with load-bearing fixed pulleys; the cables are arranged It is formed to bypass two load-bearing fixed pulleys, and the first end of the cable is connected to the switch to be installed; the steering fixed pulley attached to the bottom of the pole column is set, and the second end of the cable extends and bypasses the steering fixed pulley; lifting A tool is connected to the second end of the cable. The device of the utility model for manual installation of the switch on the column is simple in structure and small in size, which solves the problem that the crane is too bulky to enter the construction site and cannot complete the switch installation task; compared with the operation of the crane, the operation is simple and easy to avoid It solves the problem of hoisting and injury that may occur when hoisting with a crane, and ensures the safety of the operation.

Description

Device for manual installation of pole-mounted switches

technical field

The utility model relates to the field of electric power operation, and in particular to a device for manually installing a switch on a column.

Background technique

In the process of electric power work, it is often necessary to install heavier switchgear on the pole with a height of 12-15 meters, such as 276 kg boundary load switch and 251 kg vacuum switch. The installation method adopted in the prior art is usually crane hoisting. Although this method can complete the above tasks, there are still some problems in the working process: first, due to the large size of the crane, it may not be able to Enter the construction site, so the installation task of the switch cannot be completed in places where the crane cannot enter; secondly, the crane hoisting construction cost is high, for example, the 276 kg boundary load switch is installed by a crane, and the smallest crane is generally 8 tons, forming a large horse. The trolley will cause certain economic losses; finally, there are certain dangers in the use of cranes, and a series of safety control measures need to be taken to prevent serious injuries.

Utility model content

The utility model is devoted to overcoming the above-mentioned defective of prior art just and makes. The purpose of this utility model is to propose a device for manually installing a switch on a pole, so as to overcome the problem that the crane cannot enter the construction site for construction, reduce construction costs, and increase economic benefits for the enterprise.

In order to solve the above-mentioned technical problems, the utility model provides a lifting device for manually installing a switch on a column, which includes: a bracket installed on the top of the column, and the two ends of the bracket are respectively equipped with load-bearing fixed pulleys; the cables are arranged into two load-bearing fixed pulleys, and the first end of the cable is connected to the switch to be installed; a deflection fixed pulley arranged near the bottom of the column, the second end of the cable extends and passes around the deflection fixed pulley; and a lifting tool, Connect to the second end of the cable.

Preferably, according to the lifting device for manually installing a switch on a pole according to the present invention, the bracket includes: a beam, and the load-bearing fixed pulleys are respectively arranged at both ends of the beam; a support structure, the beam is fixed on the support structure; a fixing seat , the supporting structure is fixedly installed on the fixing seat.

Preferably, according to the lifting device for manual installation of a switch on a pole according to the present invention, the supporting structure includes: a vertically extending main supporting beam, one end of which is connected to the center of the beam and the other end is fixed to a fixed seat; Two side support beams are symmetrically arranged with respect to the main support beam.

Preferably, according to the lifting device for manually installing a switch on a pole according to the present invention, the fixing seat is a cylindrical sleeve structure and the size is designed to fit on the top of the pole pole.

Preferably, according to the lifting device for manually installing a switch on a pole of the present invention, the fixing seat is formed of a round steel pipe.

Preferably, according to the lifting device for manually installing a switch on a pole of the present invention, the beam is made of channel steel.

Preferably, according to the lifting device for manually installing a switch on a pole of the present invention, the lifting tool has an anti-reversal mechanism, and the lifting tool is placed at a certain distance from the utility pole.

Preferably, according to the lifting device for manually installing a switch on a pole according to the present invention, the lifting tool is a manual hoist or a power-driven hoist.

The utility model has the following technical effects:

First of all, according to the lifting device for manually installing the switch on the pole of the utility model, a device composed of a bracket, a pulley, and a lifting tool is used to replace the crane in the prior art. The structure of the device is simple and the volume is small, which solves the problem of The crane is bulky and cannot enter the construction site and cannot complete the switch installation task.

Secondly, according to the lifting device for manual installation of the switch on the pole of the utility model, the lifting is carried out by manpower, and the operator only needs to control the winch to lift the switch to be lifted to the top of the pole. Compared with operating the crane, the operation is simple Easy to operate, in addition, the crane is omitted, the construction cost is reduced, and the economic benefit is improved.

In addition, the lifting device for manual installation of the switch on the pole according to the utility model is small in size and simple in structure, and the lifting device is kept at a certain distance from the utility pole, which ensures the safety of the operation, thus avoiding the risk of using a crane for hoisting. Possible serious injuries.

It should be understood that both the above general description and the following detailed description are enumerative and explanatory, and the purpose is to provide further explanation of the claimed utility model.

Description of drawings

The accompanying drawings constitute a part of this specification and are used to help further understand the utility model. In the attached picture:

Fig. 1 shows the schematic diagram of installing a switch using a lifting device for manually installing a switch on a pole according to a preferred embodiment of the present invention;

Fig. 2 shows a schematic front view of a bracket of a lifting device for manually installing a switch on a pole according to a preferred embodiment of the present invention;

Fig. 3 shows a schematic left view of the bracket of the lifting device for manually installing the switch on the pole according to a preferred embodiment of the present invention; and

Fig. 4 shows a schematic bottom view of a bracket of a lifting device for manually installing a switch on a pole according to a preferred embodiment of the present invention.

Detailed ways

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be noted that the following only describes the features of the utility model that are different from the prior art, and the technical features that can be found in the prior art will not be repeated here.

Referring first to FIG. 1 , it shows a schematic diagram of installing a switch using a lifting device for manually installing a switch on a pole according to a preferred embodiment of the present invention. According to a preferred embodiment of the present invention, the lifting device for manually installing the switch on the pole includes: a bracket 11 , a manual winch 9 , a diverting pulley 8 and a wire rope 10 . The bracket 11 is directly sleeved on the top of the pole column through the fixing seat 7, the first end 10a of the steel wire rope 10 is tied to the switch 12 to be lifted, and the second end 10b is bypassed by the fixed pulleys 1 and 3 at both ends of the bracket 11 and wound It is connected to the manual hoist 9 through the steering pulley 8. Those skilled in the art can understand that the steering pulley 9 is set to keep a certain distance between the hoist and the utility pole, so as to prevent heavy objects from falling from the pole and cause danger, and ensure that workers can operate security. After fixing hoist 9, adopt manpower to rotate the crank handle of hoist 9, switch 12 will slowly rise to fixed cross-arm place, and the staff on the bar only needs to buckle the pressure plate, tighten two screws to fix the switch. In addition, the manual hoist 9 has an anti-reversal device, so it can prevent reverse rotation during the hoisting process.

The structure of the bracket 11 will be described in detail below with reference to FIGS. 2-4 , which respectively show a front view, a left view and a schematic bottom view of the bracket of the device for manually installing the switch on the pole according to a preferred embodiment of the present invention. This support 11 comprises: beam 2, has groove 8,9 (referring to Fig. 3) respectively at its two ends; Made of channel steel; and the fixed seat 7 is in the shape of a cylindrical sleeve, and its size is designed to be sleeved on the top of the pole column, and the fixed seat 7 is made of a round steel pipe. Specifically, fixed pulleys 1 and 3 are respectively installed in the grooves 8 and 9 at both ends of the crossbeam 2 (as shown in Figures 3 and 4). At the center of the center, the respective first ends 4a, 6a of the two obliquely extending side support beams 4, 6 are respectively connected to the two sides of the fixing base 7, and the respective second ends 4b, 6b of the two side support beams 4, 6 Both are fixed with the fixed seat 7, the beam 2 and the three supporting beams 4, 5, 6 of the supporting structure constitute a stable isosceles triangular supporting structure, as shown in FIG. 2 .

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. a boom hoisting that is used for manually installing on-pole switch is characterized in that, comprising:

Be installed on the support (11) of column top, the two ends of described support are respectively arranged with load-bearing fixed pulley (1,3); Cable (10) is arranged to walk around two described load-bearing fixed pulleys (1,3), and first end (10a) of described cable is connected with switch to be installed (12); Be arranged on and turn to fixed pulley (8) near the described column bottom, second end (10b) of described cable (10) extends and walks around the described fixed pulley (8) that turns to; And lifting gear (9), link to each other with second end of described cable.

2. the boom hoisting that is used for manually installing on-pole switch according to claim 1 is characterized in that, described support comprises:

Crossbeam (2), described load-bearing fixed pulley (1,3) is separately positioned on the two ends of described crossbeam (2);

Supporting construction (4,5,6), described crossbeam is fixed on the described supporting construction; Holder (7), described supporting construction is fixedly mounted on the described holder.

3. the boom hoisting that is used for manually installing on-pole switch according to claim 2 is characterized in that, described supporting construction comprises:

The center and the other end that vertically extending main brace summer (5), an end are connected in described crossbeam are fixed in described holder;

Two side brace summers (4,6) of diagonally extending, described two side brace summers are about described main brace summer symmetric arrangement.

4. the boom hoisting that is used for manually installing on-pole switch according to claim 2 is characterized in that, described holder is the top that cylindrical shroud barrel structure and size are designed to be fit to be set in described electric rod column.

5. the boom hoisting that is used for manually installing on-pole switch according to claim 4 is characterized in that described holder is formed by round steel pipe.

6. the boom hoisting that is used for manually installing on-pole switch according to claim 2 is characterized in that described crossbeam is made by channel-section steel.

7. the boom hoisting that is used for manually installing on-pole switch according to claim 1 is characterized in that, described lifting gear has anti-reversing gearbox and is positioned in the position of leaving certain distance with described electric pole.

8. the boom hoisting that is used for manually installing on-pole switch according to claim 7 is characterized in that, described lifting gear is manual hoist or power drive hoist engine.

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